Today’s conventional wisdom is tomorrow’s old wive’s tale.
Years ago I had a tolerable cholesterol level. Then the "experts" dictated the numbers were still too high and suddenly I had a problem.
Two months ago I was merely "prehypertension" concerning blood pressure. Then the "experts" dictated that the numbers were still too high and suddenly I was stage 1 hypertensive.
Do the accountants and lobbyists for big pharma have anything to do with these studies? (Rhetorical question)